Cod sursa(job #1315349)
| Utilizator | Data | 12 ianuarie 2015 19:09:25 | |
|---|---|---|---|
| Problema | Sortare prin comparare | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.6 kb |
#include <iostream>
#include<cstdlib>
#include<fstream>
using namespace std;
ifstream f("algsort.in");
ofstream g("algsort.out");
int n,i,j,x,p;
long v[500001];
void quick(int s,int d) {
i=s,j=d;
p=v[s+rand()%(d-s+1)];
while(i<= j)
{
while(v[i]<p) i++;
while(v[j]>p) j--;
if(i<=j){x=v[i]; v[i]=v[j]; v[j]=x; i++; j--;}
}
if(s<j) quick(s,j);
if(i<d) quick(i,d);
}
int main()
{
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
quick(1,n);
for(i=1;i<=n;i++)
g<<v[i]<<" ";
return 0;
}
